32251291 has 2 divisors, whose sum is σ = 32251292. Its totient is φ = 32251290.

The previous prime is 32251279. The next prime is 32251301. The reversal of 32251291 is 19215223.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19215223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32251291 - 2¹⁵ = 32218523 is a prime.

It is not a weakly prime, because it can be changed into another prime (32251201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16125645 + 16125646.

It is an arithmetic number, because the mean of its divisors is an integer number (16125646).

Almost surely, 2^32251291 is an apocalyptic number.

32251291 is a deficient number, since it is larger than the sum of its proper divisors (1).

32251291 is an equidigital number, since it uses as much as digits as its factorization.

32251291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 32251291 is about 5679.0220108748. The cubic root of 32251291 is about 318.3090853187.

The spelling of 32251291 in words is "thirty-two million, two hundred fifty-one thousand, two hundred ninety-one".